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Multi-TID A-MPDU in MU Transmission

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Presentation on theme: "Multi-TID A-MPDU in MU Transmission"— Presentation transcript:

1 Multi-TID A-MPDU in MU Transmission
Date: Authors: Name Affiliation Address Phone Liwen Chu Marvell 5488 Marvell Lane, Santa Clara, CA, 95054 Jinjing Jiang Lei Wang Hongyuan Zhang Yakun Sun Yan Zhang Rui Cao Bo Yu Sudhir Srinivasa Saga Tamhane Mao Yu Edward Au Hui-Ling Lou Liwen Chu (Marvell), et. al.

2 Authors (continued) Albert Van Zelst Alfred Asterjadhi Arjun Bharadwaj
Name Affiliation Address Phone Albert Van Zelst Qualcomm Straatweg 66-S Breukelen, 3621 BR Netherlands Alfred Asterjadhi 5775 Morehouse Dr. San Diego, CA, USA Arjun Bharadwaj Bin Tian Carlos Aldana 1700 Technology Drive San Jose, CA 95110, USA George Cherian Gwendolyn Barriac Hemanth Sampath Menzo Wentink Richard Van Nee Rolf De Vegt Sameer Vermani Simone Merlin Tevfik Yucek   VK Jones Youhan Kim Liwen Chu (Marvell), et. al.

3 Authors (continued) Robert Stacey Intel
Name Affiliation Address Phone Robert Stacey Intel 2111 NE 25th Ave, Hillsboro OR 97124, USA      Eldad Perahia Shahrnaz Azizi Po-Kai Huang Qinghua Li Xiaogang Chen Chitto Ghosh Laurent cariou Rongzhen Yang Ron Porat Broadcom Matthew Fischer Sriram Venkateswaran Zhou Lan Leo Montreuil Andrew Blanksby Vinko Erceg Liwen Chu (Marvell), et. al.

4 Authors (continued) James Yee Mediatek
Name Affiliation Address Phone James Yee Mediatek No. 1 Dusing 1st Road, Hsinchu, Taiwan   Alan Jauh Chingwa Hu Frank Hsu Thomas Pare USA 2860 Junction Ave, San Jose, CA 95134, USA ChaoChun Wang James Wang Jianhan Liu Tianyu Wu Russell Huang Joonsuk Kim Apple Aon Mujtaba   Guoqing Li Eric Wong Chris Hartman Liwen Chu (Marvell), et. al.

5 Authors (continued) Phillip Barber Peter Loc Le Liu Jun Luo Huawei
Name Affiliation Address Phone Phillip Barber Huawei The Lone Star State, TX Peter Loc Le Liu F1-17, Huawei Base, Bantian, Shenzhen Jun Luo 5B-N8, No.2222 Xinjinqiao Road, Pudong, Shanghai Yi Luo Yingpei Lin Jiyong Pang Zhigang Rong 10180 Telesis Court, Suite 365, San Diego, CA  NA Rob Sun 303 Terry Fox, Suite 400 Kanata, Ottawa, Canada David X. Yang Yunsong Yang Zhou Lan F1-17, Huawei Base, Bantian, SHenzhen Junghoon Suh Jiayin Zhang Liwen Chu (Marvell), et. al.

6 Authors (continued) Hyeyoung Choi LG Electronics
Name Affiliation Address Phone Hyeyoung Choi LG Electronics 19, Yangjae-daero 11gil, Seocho-gu, Seoul , Korea Kiseon Ryu Jinyoung Chun Jinsoo Choi Jeongki Kim Giwon Park Dongguk Lim Suhwook Kim Eunsung Park HanGyu Cho Thomas Derham Orange Brian Hart Cisco Systems 170 W Tasman Dr, San Jose, CA 95134 Pooya Monajemi Bo Sun ZTE #9 Wuxingduan, Xifeng Rd., Xi'an, China Kaiying Lv Yonggang Fang Ke Yao Weimin Xing Liwen Chu (Marvell), et. al.

7 Authors (continued) Fei Tong Hyunjeong Kang Samsung Kaushik Josiam
Name Affiliation Address Phone Fei Tong Samsung Innovation Park, Cambridge CB4 0DS (U.K.) Hyunjeong Kang Maetan 3-dong; Yongtong-Gu Suwon; South Korea Kaushik Josiam 1301, E. Lookout Dr, Richardson TX 75070 (972) Mark Rison Rakesh Taori (972) Sanghyun Chang Yasushi Takatori NTT 1-1 Hikari-no-oka, Yokosuka, Kanagawa Japan Yasuhiko Inoue Yusuke Asai Koichi Ishihara Akira Kishida Akira Yamada NTT DOCOMO 3-6, Hikarinooka, Yokosuka-shi, Kanagawa, , Japan Fujio Watanabe 3240 Hillview Ave, Palo Alto, CA 94304 Haralabos Papadopoulos Liwen Chu (Marvell), et. al.

8 Single TID vs Multiple TIDs in an PSDU
In baseline, two methods are defined for TC (=TID) selection in an A-MPDU. An A-MPDU in PSMP aggregates MPDUs from multiple TC. An A-MPDU in other frame exchanges aggregates MPDUs from one TC. 11ax passed the motion about multiple TIDs in a PSDU: The spec shall allow multiple TIDs in a single PSDU between AP and a STA for DL/UL OFDMA/MU-MIMO. Multiple TIDs aggregation rules are TBD if necessary. Slide 8 Liwen Chu (Marvell), et. al.

9 Liwen Chu (Marvell), et. al.
Multi-TID BA Recap Multi-TID BA acknowledges MPDUs of multiple TIDs from one STA. Frames from a TID without BA negotiation can’t be acknowledged by Multi-TID BA. Management frame in A-MPDU can’t be acknowledged by Multi-TID BA. Slide 9 Liwen Chu (Marvell), et. al.

10 Liwen Chu (Marvell), et. al.
Multi-STA BA Recap Multi-STA BA is used to acknowledge UL MU A-MPDUs from multiple STAs. Multi-STA BA supports BA acknowledgement and Ack acknowledgement for multiple TIDs of a STA. The management frame in A-MPDU can’t ask for acknowledgement. Multi-STA BA Slide 10 Liwen Chu (Marvell), et. al.

11 OFDMA A-MPDU Aggregation Rules
MPDUs from multiple TIDs that need to acknowledged by Ack or BA can be aggregated in one A-MPDU. A STA doesn’t need to do BA negotiation for each TID in order to aggregate MPDUs to A-MPDU. MPDUs in A-MPDU should indicate whether Ack or BA is used to carry acknowledgement information. When EoF is 1, MPDU length is not 0 and Ack Policy of the MPDU is Normal Ack Request, the MPDU asks for acknowledgement by Ack SIFS after the OFDMA transmission. At most one such data MPDU for a TID is allowed in an A-MPDU. At most one such management MPDU is allowed in an A-MPDU. When EoF is 0 and MPDU length is not 0 and Ack Policy of the MPDU is Implicit Block Ack Request or related TID of the MPDU is indicated by Block Ack Request, the MPDU asks for acknowledgement by BA SIFS after the OFDMA transmission. When EoF is 0 and MPDU length is not 0, Ack Policy of the MPDU is Block Ack Request , and the related TID of the MPDU is not indicated by Block Ack Request, the MPDU asks for acknowledgement by BA in the future (no immediate response frame). Slide 11 Liwen Chu (Marvell), et. al.

12 Enhanced (Single STA) Multi-TID BA
The Multi-STA M-BA is also used for single STA acknowledgement when DL MU A-MPDU includes multiple TIDs, or when UL multi-TID MU A-MPDUs are acknowledged by DL OFDMA/MU PPDU. When Multi-STA M-BA is used for single user, RA is unicast MAC address AID field is TBD. Slide 12 Liwen Chu (Marvell), et. al.

13 Liwen Chu (Marvell), et. al.
References [1] Draft P802.11REVmc_D5.0 [2]11-15/132r13 Specification Framework for TGax Liwen Chu (Marvell), et. al.

14 Liwen Chu (Marvell), et. al.
Straw Poll 1 Do you agree to add the following text to the SFD 4.1 General? MPDUs from multiple TIDs that ask for Ack and/or BA acknowledgement and management frame that asks for Ack acknowledgement may be aggregated in one A-MPDU of MU transmission Liwen Chu (Marvell), et. al.

15 Liwen Chu (Marvell), et. al.
Straw Poll 2 Do you agree to add the following text to the SFD subclause 4.2 DL MU Operation: The spec shall allow UL MU transmission of Multi-STA Block ACK frame in response to multi-TID A-MPDU of DL MU transmission. The value of the AID field in M-BA is TBD Liwen Chu (Marvell), et. al.

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